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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringOstermundigenHaustec Engineering AG
Haustec Engineering AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Haustec Engineering AG is a planning company that carries out projects in building services engineering. Its core competencies include integrated MEP planning (HLKKS), specialist coordination and site management, and 3D planning with BIM workflows for residential, office, food-industry and hotel projects.

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Products & services

Industry:Technical Consulting & Engineering
✓ Offered5
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3.9/5

Haustec Engineering AG

Comprehensive building services planning
Integrated multi-trade planning HLKKS, specialist coordination, specialist site supervision and 3D design; project implementation with central data management, information exchange and BIM.
Heating design
Heating concepts and planning of heat generation as well as heat distribution systems, including district heating, heat pumps, solar energy systems, radiators, underfloor heating and building core activation.
Ventilation design
Planning of ventilation systems, air treatment and air distribution systems, including supply and extract systems, air-conditioning systems, humidification, CO2 filtration and oxygen conditioning.
Sanitary design
Planning of sanitary systems and water treatment, including water supply and waste disposal, rainwater from roofs, compressed air, gas, osmosis plants and water softening systems.
Climate and refrigeration design
Planning of climate systems and refrigeration plants, including absorption chillers, CO2, NH3 and HFO refrigeration systems, as well as cooling ceilings, cooling sails and floor cooling.
Trust & reputation

ranQ Trust Score of Haustec Engineering AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Haustec Engineering AG scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.68.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.17.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
Haustec Engineering AG scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.70.07%
Haustec Engineering AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Haustec Engineering AG scores 3.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.3.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Haustec Engineering AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Güterstrasse 5
3072 Ostermundigen

At a glance

Legal form
Corporation
UID
CHE-103.211.195
Founded
1996 · 30 years
Last commercial register change
January 27, 2015
Employees
11 to 20
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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